2522724257 has 2 divisors, whose sum is σ = 2522724258. Its totient is φ = 2522724256.

The previous prime is 2522724241. The next prime is 2522724287. The reversal of 2522724257 is 7524272252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1845475681 + 677248576 = 42959^2 + 26024^2 .

It is a cyclic number.

It is not a de Polignac number, because 2522724257 - 2⁴ = 2522724241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2522724257.

It is not a weakly prime, because it can be changed into another prime (2522724287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261362128 + 1261362129.

It is an arithmetic number, because the mean of its divisors is an integer number (1261362129).

Almost surely, 2^2522724257 is an apocalyptic number.

It is an amenable number.

2522724257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2522724257 is an equidigital number, since it uses as much as digits as its factorization.

2522724257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 156800, while the sum is 38.

The square root of 2522724257 is about 50226.7285118193. The cubic root of 2522724257 is about 1361.3086194890.

The spelling of 2522724257 in words is "two billion, five hundred twenty-two million, seven hundred twenty-four thousand, two hundred fifty-seven".